Home / 8,745.86-13,121.04-2,902.52

Finding the Fourth Proportional to 8,745.86, 13,121.04 and 2,902.52

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Solution

The fourth proportional to 8,745.86, 13,121.04 and 2,902.52 is: 4,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.86 : 13,121.04 = 2,902.52 : x
  2. Step 2: Convert to fraction form
    8,745.86/13,121.04 = 2,902.52/x
  3. Step 3: Cross multiply
    8,745.86x = 13,121.04 × 2,902.52
  4. Step 4: Simplify right side
    8,745.86x = 38,084,081.02
  5. Step 5: Solve for x
    x = 38,084,081.02/8,745.86
  6. Step 6: Final answer
    x = 4,354.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.